Throttle Position Sensor Replacement Cost Estimate

Concerned about potentially overpaying for your throttle position sensor replacement? MyMechanic can provide you with a fair cost estimate for this service

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How much does it cost to replace a throttle position sensor?

On average, an throttle position sensor typically totals, which includes both parts and mechanic labor costs. However, the actual price can vary depending on your vehicle.

How long does it take to replace a throttle position sensor?

On average, a certified mechanic usually takes about 0.8 to complete the job of replacing a top dead center sensor This includes a preliminary inspection to assess the need for replacement and then proceeding with the full replacement process.

How did we estimate these prices?

My Mechanic experts researched and collected data from 2500+ real repair shops in all states in Malaysia, including everything from the total cost of repair services to the hourly labor cost for mechanic labor in each shop. We combined that data with our expert database of hundreds of real repair jobs, thousands of real cars, millions of real car part prices in order to best estimate the cost of each repair service. Our labor cost estimate is calculated by taking the average hourly labor rate for a certified MyMechanic in Malaysia, times the number of hours it takes on average to complete a repair.

What parts do I need for my throttle position sensor replacement and how much do those parts cost?

You can refer to your owner’s manual or consult your mechanic for specific parts details, but here are the essential items you'll require:

  • Throttle position sensor:The primary component requiring replacement is the throttle position sensor. It's an engine sensor that monitors the airflow entering the engine.
  • Throttle plate:A throttle plate functions as a valve that controls the quantity of vaporized fuel entering your car engine's cylinders. While it may not necessitate replacement alongside the throttle position sensor, having your mechanic examine it is advisable, particularly for older vehicles.
  • Throttle body: If your mechanic concludes that the throttle body also requires replacement,
  • Throttle body gasket:typically made of paper or aluminum, is positioned between the throttle body and intake manifold. Its role is to create an airtight seal, preventing air bypass. This gasket is frequently replaced during throttle body service.

While both original equipment manufacturer (OEM) and aftermarket throttle position sensors offer benefits and reliability, OEM sensors generally have a longer lifespan compared to their aftermarket counterparts, despite being more expensive./p>

You can purchase a replacement aftermarket throttle position sensor from MyMechanic or contact them for further assistance.

Where can I get my throttle position sensor replaced?

Handling auto repairs without a reliable mechanic can be quite daunting. However, you can rely on MyMechanic's to ease your frustrations by providing cost comparisons across 2,500 repair shops throughout the Malaysia.

MyMechanic compares fair price estimates* from each shop based on their actual hourly labor rates. This means you won't need to engage in fruitless searches. With MyMechanic, you gain access to crucial information such as cost estimates (with or without service costs) and authentic reviews, all aimed at helping you make informed decisions and choose the best service for your needs.

How did we vet these shops?

My Mechanic experts researched 2500+ real repair shops across the Malaysia. We talked to real shop customers, and analyzed both real shop pricing data and thousands of real customer reviews from each shop to verify them individually.

How will a mechanic replace my throttle position sensor?

During this service, your mechanic will assess the throttle position sensor to confirm its failure and replace it with a new one. The typical steps involved in replacing your TPS are as follows:

  • Perform a scan of the car’s computer system to check for error codes.
  • Open the hood to examine the throttle plate and its surroundings.
  • Test the throttle position sensor and inspect its wiring.
  • Remove the faulty TPS.
  • Install a new, functioning TPS.
  • Clean any carbon buildup present in the throttle body.
  • Reinstall the throttle body and adjust the minimum idle speed to the factory setting.
  • Clear any trouble codes stored in the car’s computer and verify proper operation.
  • Conduct a test drive to assess gear shifting, speed, and acceleration for correctness.

What happens if I don’t replace a bad throttle position sensor?

When the sensor malfunctions, the computer cannot accurately determine the existing air volume in the engine, leading to incorrect fuel injection. While this issue is relatively common, it requires prompt attention.

If you observe any signs of this problem, it's advisable to bring your car to a shop for inspection. Efficient engine performance relies on the correct air-to-fuel ratio. When the throttle position sensor ceases to function correctly, the engine receives an incorrect air supply, resulting in power loss. This may manifest as difficulty in shifting gears or even starting the car

What is a throttle position sensor?

The proper functioning of your car depends on maintaining the correct fuel-to-air ratio, which is regulated by the air intake system. The throttle body governs the amount of air entering the engine via the throttle plate. Essentially, as you press the gas pedal, the throttle plate widens, enabling more air to flow into the engine.

The throttle position sensor (TPS) communicates the position of the throttle plate to your car's engine control unit (ECU), which then calculates the necessary fuel injection into the air intake system. However, if the sensor malfunctions, the computer cannot accurately determine the existing air volume in the engine, leading to an incorrect amount of fuel injection.

What are the symptoms of a bad throttle position sensor?

Some potential indicators that your speed sensor may require attention include:

  • Poor engine performance, such as stalling and misfiring.
  • Decreased power output.
  • Inability to shift gears smoothly.
  • Illumination of the check engine light.

How often do you need to replace a throttle position sensor?

Throttle position sensors do not have fixed lifespans. Although they can endure for the entire life of your car, failures tend to occur more frequently once your vehicle's mileage surpasses 80,000 miles.

Is replacing a throttle position sensor yourself easy?

While replacing a throttle position sensor isn’t the most challenging task, if you choose to do it yourself, ensure you have confidence in your DIY auto repair abilities. If you lack the necessary tools and experience, we recommend having a certified mechanic address the issue.

FAQs

The service typically requires approximately 1 Hour to finish.

It's unsafe to drive with a faulty throttle position sensor. When this sensor fails, the engine receives an incorrect air supply, resulting in power loss. This can lead to difficulties starting the car and an inability to shift gears if the engine does start.